Question

Some food retailers propose subjecting food to a low level of radiation in order to improve safety, but sale of such "irradiated" food is opposed by many people. Suppose a grocer wants to find out what his customers think. He has cashiers distribute surveys at checkout and ask customers to fill them out and drop them in a box near the front door. He gets responses from 122 customers, of whom 78 oppose the radiation treatments. What can the grocer conclude about the opinions of all his customers? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. ( A. The grocer can conclude that he is 95% confident that between Round to one decimal place as needed. Use ascending order.) The grocer cannot make any accurate conclusions because the sample does not meet the Success/Failure Condition The grocer cannot make any accurate conclusions because the sample may not be independent; it is likely that one respondent may influence another. The grocer cannot make any accurate conclusions because hose who bothered o fil out he survey are a voluntary response sample which may be based The grocer can conclude that it is probably true that about needed.) % and % of all of his customers oppose the radiation treatments. O B. ° C. 。D. O E. % of all of his customers oppose the radiation treatments. Round to one decima place as

Answer 1

ent 28 n 122 0.k (2 intval is

option A is correct

The grocer can conclude that he is 95% confident that between 54.7% and 72.4% of all of his customers oppose the radiation treatments